JP2023100397A - recording device - Google Patents

Abstract

To solve such a problem that in such a configuration that a maintenance unit is straightly pulled out obliquely upward along an ink discharge surface, a space required for taking-out of the maintenance unit from a line head is increased and a size of a device is increased.SOLUTION: A maintenance part for maintenance of a recording part comprises: a first guided part which is guided by guide means; and a second guided part which is positioned in a first movement direction toward a maintenance position from a retreat position with respect to the first guided part. The guide means permits rotation of the maintenance part with the first guided part as a rotation axis that is accompanied by withdrawal of the second guided part from the guide means when the maintenance part moves in the first movement direction from the maintenance position, and the first guided part moves in the first movement direction after rotation of the maintenance part has been permitted, and thus, can be withdrawn from the guide means.SELECTED DRAWING: Figure 13

Description

The present invention relates to a printing apparatus having a printing unit that prints by ejecting liquid onto a medium.

In Patent Document 1, a head moving unit having a line head that is a recording head, a maintenance unit having a cap portion for capping the line head, and a second maintenance unit having a blade for wiping the line head are connected to each other. Orthogonally movable configurations are disclosed.

JP 2021-121483 A

A maintenance unit that maintains the recording head may need to be replaced. For example, when trying to replace a maintenance unit having a cap portion in the configuration of Patent Document 1, the maintenance unit is pulled out straightly obliquely upward along the ink ejection surface until the maintenance unit comes out from the lower side of the line head. There is a need. In this case, the space required for the maintenance unit to get out from the lower side of the line head becomes large, and the size of the apparatus becomes large.

In order to solve the above-described problems, the recording apparatus of the present invention includes a recording unit that records by ejecting liquid onto a medium, a maintenance position that is a position at which maintenance of the recording unit is performed, and a retraction that retreats from the maintenance position. a maintenance section movable along the movement path; and guide means for guiding the maintenance section along the movement path, wherein the maintenance section is guided by the guide means. and a second guided portion located in a first movement direction, which is a direction from the retracted position to the maintenance position, with respect to the first guided portion and guided by the guide means. wherein, when the maintenance section moves from the maintenance position in the first movement direction, the guide means rotates the maintenance section around the first guided section as a rotation axis, The guide portion is allowed to rotate along with detachment from the guide means, and the first guided portion moves in the first movement direction after the maintenance portion is allowed to rotate, thereby moving the guide portion away from the guide means. It is characterized by being detachable.

FIG. 4 is a diagram showing a medium transport path of the printer; FIG. 4 is a diagram showing the positions of other units when the head unit is at the ink ejection position; FIG. 4 is a diagram showing the positions of other units when the head unit is in the cap position; FIG. 4 is a diagram showing the positions of other units when the head unit is in the wiping position; FIG. 2 is a perspective view of the printer as seen from the rear; The perspective view of a motion unit. 3 is a perspective view of the frame assembly; FIG. 4 is a perspective view of the cap carriage with the cap unit attached. FIG. FIG. 4 is a perspective view of one side of the cap carriage; FIG. 4 is a perspective view of the other side of the cap carriage; FIG. 4 is a side view of one side of the cap carriage when in the maintenance position; FIG. 11 is a side view of the other side of the cap carriage when in the maintenance position; FIG. 11 is a side view of one side of the cap carriage that has moved from the maintenance position in the first movement direction and is in the process of rotating; FIG. 11 is a side view of the other side of the cap carriage that has moved in the first movement direction from the maintenance position and is in the middle of rotating; 2 is a plan view of the cap carriage; FIG. FIG. 4 is a perspective view of a discharge tray mounting portion in the apparatus main body, and is a perspective view of a state in which the discharge tray is mounted; FIG. 4 is a perspective view of a discharge tray mounting portion in the apparatus main body, showing a state in which the discharge tray is removed;

The present invention will be briefly described below.
A recording apparatus according to a first aspect includes a recording unit that records by ejecting liquid onto a medium, a maintenance position that is a position when maintenance of the recording unit is performed, and a retraction position that is retracted from the maintenance position. a maintenance section movable along the movement path; and guide means for guiding the maintenance section along the movement path, wherein the maintenance section is a first cover guided by the guide means. a guide portion; and a second guided portion positioned in a first moving direction, which is a direction from the retracted position to the maintenance position with respect to the first guided portion, and guided by the guide means, The guide means rotates the maintenance section around the first guided section as a rotation axis when the maintenance section moves from the maintenance position in the first movement direction, and the guide means rotates the maintenance section about the first guided section as a rotation axis. Rotation accompanied by detachment from the means is allowed, and the first guided part can be detached from the guide means by moving in the first movement direction after the maintenance part is allowed to rotate. characterized by

According to this aspect, when the maintenance section moves in the first movement direction from the maintenance position, the maintenance section becomes rotatable about the first guided section as a rotation axis. Due to this rotation, the second guided portion first separates from the guide means, and then the first guided portion moves in the first movement direction, thereby allowing separation from the guide means. Therefore, compared to a configuration in which the first guided portion and the second guided portion are separated from the guide means by moving the maintenance portion straight in the first movement direction, the maintenance portion can be removed. The space required for the device can be suppressed, and an increase in the size of the device can be suppressed.

In a second aspect based on the first aspect, the guide means supports the first guided portion and the second guided portion at least between the retracted position and the maintenance position on the movement path. a guide portion and an upper guide portion positioned above the lower guide portion; and when the maintenance portion moves in the first movement direction from the maintenance position, the second guided portion moves toward the upper guide portion. and the rotation of the maintenance portion accompanied by the upward movement of the second guided portion is permitted.

According to this aspect, when the maintenance section moves in the first movement direction from the maintenance position, the second guided section is released from restraint by the upper guide section, and moves upward toward the second guided section. Since the rotation of the maintenance section is allowed, the maintenance section can be rotated upward, that is, the maintenance section can be removed from the upper side. becomes easier.
It should be noted that the upward movement of the second guided portion does not necessarily mean that the second guided portion moves straight upward in the vertical direction. is.

According to a third aspect, in the second aspect, the first guided portion is a side portion of the maintenance portion and in one direction in the cross direction crossing the movement direction of the maintenance portion. The second guided portion is provided on a side portion in the first direction and a side portion of the maintenance portion in the second direction, which is the other direction in the cross direction, and the second guided portion is provided on the side portion in the cross direction. It is provided on a side portion in one direction and a side portion in the second direction, and the guide means is provided in the first direction and the second direction with respect to the maintenance portion in the intersecting direction. .
According to this aspect, the first guided portion and the second guided portion are provided on both sides of the maintenance portion in the cross direction, and are guided by the guide means, so that the maintenance portion moves along the moving path. can move stably along the

In a fourth aspect based on the third aspect, the first guided portion provided on the side portion in the first direction includes a first contact portion that contacts the guide means, and the side portion in the second direction The first guided portion provided in the above includes a second contact portion in contact with the guide means, and the first contact portion and the second contact portion overlap when viewed from the cross direction. do.

According to this aspect, since the first contact portion and the second contact portion overlap each other when viewed from the cross direction, the maintenance portion is the first guided portion, that is, the first contact portion and the second contact portion. It can rotate stably when it rotates about the 2 contact parts as a fulcrum. Moreover, the space required for the rotation of the first contact portion and the second contact portion can be suppressed, and the increase in size can be suppressed.

A fifth aspect is the third or fourth aspect, wherein the second guided portion provided on the side portion in the first direction and the second guided portion provided on the side portion in the second direction The guide portion includes at least one contact portion that contacts the guide means, the second guided portion provided on the side portion in the first direction, and the second guided portion provided on the side portion in the second direction. At least one of the guided portions includes a plurality of contact portions, and includes the contact portion constituting the second guided portion provided on the side portion in the first direction and the contact portion provided on the side portion in the second direction. The contact portions forming the second guided portion are characterized in that they do not overlap when viewed from the cross direction.

According to this aspect, since all the contact portions forming the second guided portion do not overlap when viewed from the cross direction, the contact portions forming the second guided portion are not moved by the maintenance portion. It will be in a state in which the position is shifted along the direction and arranged. That is, since it is supported by the guide means over a wide range along the movement direction, the posture of the maintenance section can be stably maintained even if the maintenance section receives an external force from the recording section.

In a sixth aspect based on the fifth aspect, the lower guide portion includes a first lower guide portion and a second lower guide portion spaced apart from the first lower guide portion in the first movement direction. In a state in which the maintenance portion is at the maintenance position, the first guided portion is supported by the first lower guide portion, and a part of the second guided portion is supported by the second lower guide portion. It is characterized by being supported by a guide part.

According to this aspect, since the lower guide portion is composed of the first lower guide portion and the second lower guide portion, the second guided portion is the first lower guide portion and the second lower guide portion. There is a risk of it getting stuck between the parts. However, according to the fifth aspect described above, since the contact portion constituting the second guided portion is arranged in a state in which the position is shifted along the moving direction of the maintenance portion, the second guided portion can be prevented from being caught between the first lower guide portion and the second lower guide portion.

In a seventh aspect based on the fifth or sixth aspect, the maintenance unit includes a pressed portion that receives a pressing force from a liquid ejection surface on which the recording portion ejects liquid, and a portion that supports the pressed portion. and a body portion including the first guided portion and the second guided portion, wherein the pressed portion is on the first direction side when viewed from the normal direction to the liquid ejection surface. and a line connecting one contact portion constituting the second guided portion provided in the second direction and one contact portion constituting the second guided portion provided on the side portion in the second direction. It is characterized by

According to this aspect, the cap portion includes one contact portion constituting the second guided portion provided on the side portion in the first direction when viewed from the normal direction to the liquid ejection surface; Since it overlaps with the line connecting one contact portion constituting the second guided portion provided on the side portion in the second direction, when the pressed portion receives the pressing force from the liquid ejection surface, the The pressing force can be appropriately received by the plurality of contact portions that constitute the second guided portion, and the posture of the pressed portion is stabilized.

A ninth aspect is characterized in that, in the seventh aspect, the pressed portion is a cap portion that caps the liquid ejection surface.
According to this aspect, in the configuration in which the pressed portion is the cap portion that caps the liquid ejection surface, the effects of the seventh aspect described above can be obtained.

A ninth aspect is any one of the second to eighth aspects, wherein the moving path includes a vertically upward component from the retracted position toward the maintenance position, and A center of gravity position of the maintenance section is characterized in that it is located near the first movement direction in the maintenance section.

According to this aspect, the movement path includes a vertically upward component from the retracted position toward the maintenance position, and the position of the center of gravity of the maintenance section in the movement direction of the maintenance section Since it is closer to the first movement direction, when the maintenance section is taken out from above, the heavy side is lifted first, making it easier to take out the maintenance section than vice versa.

A tenth aspect is any one of the second to ninth aspects, wherein the medium transport path for transporting the medium is curved downstream of the recording unit to extend the movement path in the first movement direction. It is characterized by intersecting with the moving route of the case.

According to this aspect, the medium transport path for transporting the medium is curved downstream of the recording unit, thereby intersecting with the movement path when the movement path is extended in the first movement direction. Although there is a risk of interference between the maintenance section and the medium transport path when removing the medium, the operation and effect of the first aspect described above allows the maintenance section to be taken out while rotating. Interference with the route can be avoided.

According to an eleventh aspect, in any one of the second to tenth aspects, a medium receiving section for receiving a medium ejected after recording is performed is provided vertically above the recording section, and The maintenance section can be taken out of the apparatus by removing or opening part or all of the medium receiving section.

According to this aspect, by removing or opening part or all of the medium receiving section, the maintenance section can be taken out of the apparatus, so that an opening for taking out the maintenance section out of the apparatus can be secured, The maintenance part can be easily taken out and installed.

In a twelfth aspect, in any one of the second to eleventh aspects, a conveying belt for conveying a medium is provided at a position facing the recording section, and the maintenance section includes It is characterized by moving away from the belt and rotating.

According to this aspect, the conveying belt for conveying the medium is provided at a position facing the recording unit, and the maintenance unit rotates while the second guided portion moves away from the conveying belt. It is possible to reduce the possibility that the maintenance unit collides with the conveyor belt and damages the conveyor belt.

In a thirteenth aspect based on any one of the second to eleventh aspects, the recording unit includes a recording position when recording on the medium and a spaced position spaced apart from the recording position so as to widen the distance from the medium. The recording position of the recording unit is regulated by the recording unit coming into contact with a position regulating member, and the maintenance unit moves the second guided portion from the position regulating member. It is characterized by moving away and rotating.

According to this aspect, the maintenance portion rotates while the second guided portion moves away from the position regulating member. It is possible to reduce the risk of damage.

The present invention will be specifically described below.
In the following, an inkjet printer 1 that performs recording by ejecting ink, which is an example of a liquid, onto a medium represented by recording paper will be described as an example of a recording apparatus. In the following, the inkjet printer 1 will be abbreviated as printer 1 .
The XYZ coordinate system shown in each figure is an orthogonal coordinate system, and the Y-axis direction is the medium width direction that intersects the medium conveying direction and is the device depth direction. The +Y direction, which is the direction of the arrow in the Y-axis direction, is the direction from the front of the device to the back of the device, and the -Y direction, which is opposite to the +Y direction, is the direction from the back of the device to the front of the device in the Y-axis direction. . The Y-axis direction is an intersecting direction that intersects the movement direction of the cap carriage 60, which will be described later. The −Y direction is an example of the first direction, and the +Y direction is an example of the second direction.
The X-axis direction is the width direction of the device, and the +X direction, which is the direction of the arrow when viewed from the operator of the printer 1, is the left side, and the opposite -X direction is the right side. The Z-axis direction is the vertical direction, that is, the height direction of the device, and the +Z direction, which is the direction of the arrow, is the upward direction, and the opposite -Z direction is the downward direction. Hereinafter, unless otherwise specified, "top" refers to the +Z direction, and "bottom" refers to the -Z direction.

The G-axis direction is the normal direction to the ink ejection surface 102 of the line head 101, which will be described later, and the +G direction, which is the direction of the arrow, is the direction in which the head unit 100, which will be described later, separates from the conveying belt 13, and vice versa. The -G direction is the direction in which the head unit 100 approaches the conveyor belt 13 .
The F-axis direction is parallel to the ink ejection surface 102 and is the direction of medium transport at a position facing the ink ejection surface 102. The +F direction, which is the direction in which the arrow points, is the downstream direction in the transport direction, and the opposite direction, − The F direction is upstream in the transport direction. In the following description, the direction in which the medium is sent may be called "downstream", and the opposite direction may be called "upstream".
The F-axis direction is the moving direction of the cap carriage 60 as a maintenance unit, which will be described later, the +F direction is the first moving direction, and the -F direction is the second moving direction.
Also, some of the drawings show an FGY coordinate system instead of the XYZ coordinate system for the sake of convenience.

In FIG. 1, the medium transport path is indicated by dashed lines. In the printer 1, media are conveyed through a medium conveying path indicated by dashed lines.
The printer 1 has a plurality of medium cassettes along the vertical direction in the lower part of the device main body 2 . In this embodiment, a second medium cassette 4, a third medium cassette 5, and a fourth medium cassette 6 are provided in this order from the top first medium cassette 3 toward the bottom. Symbol P indicates a medium accommodated in each medium cassette.
Each medium cassette is provided with a pick roller for feeding out the accommodated medium. The pick rollers are designated 21 , 22 , 23 , 24 .

Further, each medium cassette is provided with a pair of feeding rollers for feeding the fed medium obliquely upward. The feed roller pairs are designated 25,26,27,28. A transport roller pair for transporting the medium upward is provided for the second medium cassette 4 , the third medium cassette 5 , and the fourth medium cassette 6 . This pair of transport rollers is designated 16, 17, 18. As shown in FIG.
In the following description, unless otherwise specified, the "roller pair" is composed of a drive roller driven by a motor (not shown) and a driven roller rotating in contact with the drive roller.

The medium sent out from each medium cassette reaches the transport roller pair 29, receives a transport force from the transport roller pair 29, and is transported obliquely upward including +X direction component and +Z direction component. A medium conveying path downstream from the conveying roller pair 29 is curved so as to be convex upward, and the medium reaches the conveying roller pair 30 through this curved path portion. The medium receiving the feeding force from the conveying roller pair 30 is conveyed in the +X direction and reaches the conveying roller pair 31 through a downwardly curved curved path.

The medium receiving the feeding force from the conveying roller pair 31 is conveyed to a position between the line head 101 , which is an example of a recording unit, and the conveying belt 13 , that is, to a position facing the line head 101 . The line head 101 executes printing by ejecting ink, which is an example of liquid, onto the surface of the medium. The line head 101 is an ink ejection head in which nozzles (not shown) that eject ink are configured to cover the entire width of the medium. It is constructed as a possible ink ejection head.

Reference numeral 10 denotes an ink containing portion that contains ink. Ink ejected from the line head 101 is supplied from the ink reservoir 10 to the line head 101 via a tube (not shown). The ink containing section 10 is composed of a plurality of ink tanks arranged along the X-axis direction.

The conveyor belt 13 is an endless belt that is looped around the pulleys 14 and 15, and rotates when at least one of the pulleys 14 and 15 is driven by a motor (not shown). The medium is conveyed to a position facing the line head 101 while being attracted to the belt surface of the conveying belt 13 . A known attraction method such as an air suction method or an electrostatic attraction method can be used for attracting the medium to the conveying belt 13 .

Here, the medium transport path passing through the position facing the line head 101 intersects both the horizontal direction and the vertical direction, and is configured to transport the medium obliquely upward. This obliquely upward conveying direction is a direction that includes the -X direction component and the +Z direction component in FIG.
In this embodiment, the medium transport path passing through the position facing the line head 101 is set at an inclination angle of 50° to 70° with respect to the horizontal direction, and more specifically set at an inclination angle of 60°. It is

The medium on which the first surface has been recorded by the line head 101 is further sent obliquely upward by the conveying roller pair 32 located downstream of the conveying belt 13 .
A flap 41 is provided downstream of the transport roller pair 32, and the flap 41 switches the transport direction of the medium. When the medium is ejected as it is, the transport path of the medium is switched by the flap 41 so as to head toward the transport roller pair 37 above. A flap 42 is further provided downstream of the conveying roller pair 37, and the flap 42 switches the conveying path between discharge from the discharge position A1 and conveying to the conveying roller pair 38 located further vertically above. When the medium is sent toward the transport roller pair 38, it is discharged from the discharge position A2.
The medium ejected from the ejection position A1 is received by the ejection tray 8 which is inclined obliquely upward including the +X direction component and the +Z direction component. The discharge tray 8 is positioned vertically above the head unit 100 . The medium ejected from ejection position A2 is received by an optional tray (not shown).

When recording is performed on the second side of the medium in addition to the first side, the medium is sent obliquely upward including the −X direction component and the +Z direction component by the flap 41, passes through the branch position K1, and reaches the branch position K1. It is sent from K1 to the upper switchback path. A transport roller pair 39 is provided in the switchback path, and the medium entering the switchback path is transported upward by the transport roller pair 39. When the trailing edge of the medium passes through the branch position K1, the transport roller pair 39 is transported upward. The direction of rotation of the roller pair 39 is switched, thereby conveying the medium downward.

The medium conveyed downward by the conveying roller pair 39 receives the feeding force from the conveying roller pair 33 and the conveying roller pair 34, reaches the conveying roller pair 30, and is moved to a position facing the line head 101 again by the conveying roller pair 30. sent to
The medium sent to the position facing the line head 101 again faces the line head 101 on the second side opposite to the first side on which recording has already been performed. This enables recording by the line head 101 on the second surface of the medium. The medium on which recording has been performed on the second surface is ejected from the ejection position A1 or ejection position A2 described above.

Next, operations of the head unit 100, the cap carriage 60, and the wiper carriage 110 will be described with reference to FIGS. 2, 3, and 4. FIG.
The head unit 100 is a unit including the line head 101, and is provided so as to be movable in the G-axis direction by receiving power from a head moving motor 117 (see FIG. 6). The power of the head moving motor 117 is transmitted to the head unit 100 via a rack and pinion mechanism (not shown). Of course, the mechanism for moving the head unit 100 is not limited to the rack and pinion mechanism, and may be a belt drive mechanism, a lead screw mechanism, or the like.
Also, in the present embodiment, the head unit 100 is configured to be movable along the G-axis direction, but is not limited to this, and may be fixedly provided. In this case, for example, the transport belt 13 may be retracted from the position facing the line head 101 , and the cap carriage 60 and the wiper carriage 110 , which will be described later, may instead move to positions facing the line head 101 .

The cap carriage 60 is a unit including a cap 71 that covers the line head 101 and is an example of a maintenance section that performs maintenance on the line head 101 . Also, the cap 71 is an example of a pressed portion that receives a pressing force from the ink ejection surface 102 of the line head 101 . The cap carriage 60 is provided movably in the F-axis direction by receiving power from a cap driving motor 67 (see FIGS. 11 to 14). Although the details will be described later, the movement path of the cap carriage 60 includes a retraction position and a maintenance position, and the +F direction of the F-axis direction is the first movement direction from the retraction position to the maintenance position. The -F direction is the second moving direction from the maintenance position to the retracted position.

Power of the cap drive motor 67 is transmitted to the cap carriage 60 via the rack and pinion mechanism. The rack and pinion mechanism includes a rack portion 63b provided on the -Y direction side surface of the cap carriage 60, a pinion 66A (see FIGS. 11 and 13) that meshes with the rack portion 63b, and a rack portion 64b provided on the +Y direction side surface of the cap carriage 60. and a pinion 66B (see FIGS. 12 and 14) meshing with it. The pinions 66A, 66B are powered by a cap drive motor 67 to rotate.
Of course, the mechanism for moving the cap carriage 60 is not limited to the rack and pinion mechanism, and may be a belt drive mechanism, a lead screw mechanism, or the like.

A wiper carriage 110 is a unit provided with a wiper 112 for wiping the ink ejection surface 102 of the line head 101, and is movable in the Y-axis direction by receiving power from a wiper movement motor 116 (see FIG. 6). . The power of the wiper moving motor 116 is transmitted to the wiper carriage 110 via a belt drive mechanism (not shown). Of course, the mechanism for moving the wiper carriage 110 is not limited to the belt drive mechanism, and may be a rack and pinion mechanism, a lead screw mechanism, or the like.
As described above, the head unit 100, the cap carriage 60, and the wiper carriage 110 are provided so as to be movable in directions orthogonal to each other.

FIG. 2 shows the position of each unit when the line head 101 performs recording on the medium. The position of the head unit 100 in this state is hereinafter referred to as an ink ejection position. When the head unit 100 is at the ink ejection position, the cap carriage 60 is at the retracted position in the -F direction with respect to the head unit 100, and the wiper carriage 110 is at the home position set in the +Y direction.

FIG. 3 shows the position of each unit when the ink ejection surface 102 is capped with the cap 71. As shown in FIG. Although the wiper carriage 110 is not shown in FIG. 3 to avoid complication of the drawing, in this state, the wiper carriage 110 is located at the home position set in the +Y direction as in FIG.
Hereinafter, the position of the head unit 100 shown in FIG. 3 will be referred to as the cap position, and the position of the cap carriage 60 will be referred to as the maintenance position.

When the head unit 100 moves from the ink ejection position in FIG. 2 to the cap position in FIG. 3, the head unit 100 moves from the ink ejection position in FIG. 2 to a position further in the +G direction than the cap position in FIG. The position of the head unit 100 at this time is called a cap standby position. While the head unit 100 is at the cap standby position, the cap carriage 60 moves from the retracted position to the maintenance position, whereby the ink ejection surface 102 and the cap 71 face each other. After that, the head unit 100 moves slightly in the -G direction to reach the cap position shown in FIG.
Reference numeral 60-1 in FIG. 3 indicates the cap carriage 60 before moving to the maintenance position, that is, the cap carriage 60 at the retracted position. Reference character Rt denotes a movement path along which the cap carriage 60 moves between the retracted position and the maintenance position. The movement path Rt extends along the F-axis direction at a position in the -G direction with respect to the head unit 100 at the cap standby position.

When the line head 101 performs the flushing operation, the head unit 100 is positioned slightly in the +G direction from the state shown in FIG. 3, and the ink discharge surface 102 and the cap 71 are slightly separated. The position of the head unit 100 at this time is called a flushing position. The flushing position is between the cap position and the cap standby position.

FIG. 4 shows the position of each unit when the wiper 112 wipes the ink ejection surface 102 . The position of the head unit 100 in this state is hereinafter referred to as a wiping position. When the head unit 100 is at the wiping position, the cap carriage 60 is at a position retracted in the -F direction with respect to the head unit 100 as shown in FIG.
When the head unit 100 moves from the ink ejection position in FIG. 2 to the wiping position in FIG. 4, that is, when wiping the ink ejection surface 102, the head unit 100 moves from the ink ejection position in FIG. 2 to the wiping position in FIG. Furthermore, it moves to a position in the +G direction. The position of the head unit 100 at this time is called a wiping standby position. With the head unit 100 at the wiping standby position, the wiper carriage 110 moves from the home position in the +Y direction to the end position in the -Y direction. After that, the head unit 100 moves slightly in the -G direction to reach the wiping position shown in FIG. be.

Note that the head unit 100 can move further in the +G direction from the wiping position. The head unit 100 can be replaced by moving further in the +G direction from the wiping position. That is, the head unit 100 can move between the most +G direction replacement position and the most -G direction ink discharge position.

Hereinafter, the cap carriage 60 in particular will be further described with reference to FIG. 5 and subsequent figures.
As shown in FIG. 5, the device main body 2 has a frame 43A at the end in the -Y direction and a frame 43B at the end in the +Y direction. A motion unit 45 is fixed with respect to the frame 43A and the frame 43B. The motion unit 45 is a unit including the head unit 100 , cap carriage 60 and wiper carriage 110 .

The motion unit 45 includes a front frame 47 and a rear frame 48 located in the +Y direction with respect to the front frame 47, as shown in FIGS. The front frame 47 and rear frame 48 form a frame surface along the XZ plane. The front frame 47 and the rear frame 48 are made of metal plates.
The front frame 47 and the rear frame 48 are connected by a first connection frame 50, a second connection frame 51, and a third connection frame 52 extending in the Y-axis direction. The first connection frame 50, the second connection frame 51, and the third connection frame 52 are formed by bending a metal plate material.

In this embodiment, the first connection frame 50, the second connection frame 51, and the third connection frame 52 are joined to the front frame 47 and the rear frame 48 by welding. By fixing the first connection frame 50, the second connection frame 51, and the third connection frame 52 to the front frame 47 and the rear frame 48, the frame assembly 46 is configured as shown in FIG. For the sake of convenience, the area between the front frame 47 and the rear frame 48 is hereinafter referred to as the "inner side", and the -Y direction with respect to the front frame 47 or the +Y direction with respect to the rear frame 48 is sometimes referred to as the "outer side".

The first connection frame 50, the second connection frame 51, and the third connection frame 52 are bent so that part or all of their cross sections are rectangular as shown in FIGS. The assembly 46, namely the motion unit 45, is designed to increase the overall rigidity.

As shown in FIGS. 2 to 4, the first connection frame 50 extends in the −G direction from the rectangular portion, then extends in the +F direction, and is bent again in the −G direction to form the third guide. The portion 45c is in a state of being integrally formed. The third guide portion 45c guides the wiper carriage 110 in the Y-axis direction. The second connection frame 51 is also provided with a fourth guide portion 45d extending from the second connection frame 51 in the +G direction and then bent in the -F direction. The fourth guide portion 45d is formed by bending a metal plate like the other frames, and guides the wiper carriage 110 in the Y-axis direction together with the third guide portion 45c. Note that the illustration of the fourth guide portion 45d is omitted in FIG.

The third guide portion 45c extends to the outside of the rear frame 48 as shown in FIG. That is, the body portion of the first connection frame 50 extends between the front frame 47 and the rear frame 48, but only the third guide portion 45c extends to the outside of the rear frame 48. As shown in FIG. This allows the wiper carriage 110 to move to the outside of the rear frame 48 . The fourth guide portion 45d also extends to the outside of the rear frame 48 as shown in FIG. 6, like the third guide portion 45c.

An opening 48a is formed in the rear frame 48 as shown in FIGS. The opening 48 a has a shape that follows the outer shape of the wiper carriage 110 when the wiper carriage 110 is viewed from the Y-axis direction, and is formed to be larger than the outer shape of the wiper carriage 110 . This allows the wiper carriage 110 to move between the inside and the outside of the rear frame 48 through the opening 48a.

Inside the front frame 47 and the rear frame 48, head guide means are provided along the G-axis direction. 6 and 7, the head guide means provided on the front frame 47 is indicated by reference numeral 45a, and the head guide means provided on the rear frame 48 cannot be seen. The head guide means 45a guides the head unit 100 in the G-axis direction.
Cap guide means are provided inside the front frame 47 and the rear frame 48 along the F-axis direction. In FIG. 7, the cap guide means provided on the front frame 47 are shown at 90 and the cap guide means provided on the rear frame 48 are not visible. The cap guide means 90 guides the cap carriage 60 in the F-axis direction.
This cap guide means 90 will be described later in detail.

Next, the configuration of the cap carriage 60 will be described in detail.
In FIG. 8, the base of the cap carriage 60 is composed of a body portion 61 . The body portion 61 has a shape that opens in the +F direction and the +G direction, and caps 71a, 71b, 71c, 71d, and 71e are provided on the body portion 61 along the Y-axis direction. In the present specification, these plural caps are referred to as caps 71 when they are not particularly distinguished.

A first side frame 63 is erected at the -Y direction end of the body portion 61, and a second side frame 64 is erected at the +Y direction end thereof. A rack portion 63b is formed along the F-axis direction as shown in FIG. As described above, the pinion 66A (see FIGS. 11 and 13) meshes with the rack portion 63b to form a rack and pinion mechanism.
A rack portion 64b is formed along the F-axis direction on the surface of the second side frame 64 in the -G direction, ie, the bottom surface, as shown in FIG. As described above, the rack portion 64b is meshed with the pinion 66B (see FIGS. 12 and 14) to form a rack and pinion mechanism.

As shown in FIG. 8 , a first positioning portion 68 is provided inside the first side frame 63 , and a second positioning portion 69 is provided inside the second side frame 64 . The first positioning portion 68 and the second positioning portion 69 define the position of the cap 71 with respect to the head unit 100 by contacting contact pins (not shown) provided on the head unit 100 . The engagement between the contact pin and the first positioning portion 68 and the second positioning portion 69 can be canceled by moving the head unit 100 to the replacement position.
As shown in FIGS. 11 and 12, the first positioning portion 68 and the second positioning portion 69 are the parts of the cap carriage 60 that protrude most in the +G direction.

As shown in FIGS. 9 and 10, a first guided portion 75 and a second guided portion 80 are provided on the −Y direction side surface of the first side frame 63 and the +Y direction side surface of the second side frame 64 . ing. The first guided portion 75 and the second guided portion 80 are portions guided in the F-axis direction by the cap guide means 90 outlined with reference to FIG.
In this way, the first guided portion 75 and the second guided portion 80 are side surfaces of the cap carriage 60 in the first direction, ie, the -Y direction, in the Y-axis direction that intersects the F-axis direction. and the side surface of the cap carriage 60 in the second direction, ie, the +Y direction. This allows the cap carriage 60 to move stably along the F-axis direction.
It should be noted that the second guided portion 80 may be provided on only one of the -Y direction side surface and the +Y direction side surface of the cap carriage 60 .

The first guided portion 75 is composed of a first contact portion 76 provided on the first side frame 63 and a second contact portion 77 provided on the second side frame 64 in this embodiment.
In this embodiment, the second guided portion 80 includes a third contact portion 81 and a fourth contact portion 82 provided on the first side frame 63 and a fifth contact portion 83 provided on the second side frame 64. consists of
Each of the first contact portion 76, the second contact portion 77, the third contact portion 81, the fourth contact portion 82, and the fifth contact portion 83 is a portion that contacts the cap guide means 90 described later, and In the embodiment, it is composed of a driven roller that can be driven to rotate. The rotational axis center line of the driven roller is parallel to the Y-axis direction. However, each contact portion is not limited to a driven roller, and may be configured as a non-rotating portion.

As shown in FIG. 15, the first contact portion 76 and the second contact portion 77 that constitute the first guided portion 75 are provided so that their positions in the F-axis direction match. In other words, the first contact portion 76 and the second contact portion 77 overlap each other when viewed in the Y-axis direction. A line L1 is a line parallel to the Y-axis direction passing through the first contact portion 76 and the second contact portion 77 .
On the other hand, the third contact portion 81, the fourth contact portion 82, and the fifth contact portion 83 are provided so that their positions in the F-axis direction do not match. In other words, the third contact portion 81, the fourth contact portion 82, and the fifth contact portion 83 are positioned so as not to overlap when viewed in the Y-axis direction.

Next, the cap guide means 90 for guiding the first guided portion 75 and the second guided portion 80 in the F-axis direction will be described in detail.
The cap guide means 90 includes a lower guide portion that supports the first guided portion 75 and the second guided portion 80 at least between the retracted position and the maintenance position in the movement path Rt of the cap carriage 60, and and an upper guide portion located on the upper side.

The lower guide portion includes a front lower guide portion 91 positioned in the -Y direction (front side of the apparatus) with respect to the cap carriage 60 as shown in FIGS. On the other hand, it is composed of a rear lower guide portion 92 located in the +Y direction (on the rear side of the apparatus).
As shown in FIGS. 11 and 13, the front lower guide part 91 includes a front first lower guide part 91-1 and a front first lower guide part 91-1, which is positioned with an interval d in the +F direction from the front first lower guide part 91-1. 2 lower guide portion 91-2. Similarly, as shown in FIGS. 12 and 14, the rear lower guide portion 92 is located at a distance d in the +F direction from the first rear lower guide portion 92-1 and the first rear lower guide portion 92-1. It is composed of a rear second lower guide portion 92-2. The interval d is the interval set for the head guide means 45a (see FIG. 7) to cross the cap guide means 90. As shown in FIG.
In the present embodiment, the front first lower guide portion 91-1 and the front second lower guide portion 91-2 are completely separated to form the interval d, but the front first lower guide portion 91-1 and the front second lower guide portion 91-2 may be connected to each other, and recesses or holes may be formed in the support surface that supports the first guided portion 75 and the second guided portion 80. FIG. The same applies to the relationship between the rear first lower guide portion 92-1 and the rear second lower guide portion 92-2.

The upper guide portion includes a front upper guide portion 93 positioned in the -Y direction (front side of the device) with respect to the cap carriage 60 as shown in FIGS. On the other hand, it is composed of a rear upper guide portion 94 located in the +Y direction (on the rear side of the apparatus). The rear upper guide portion 94 is composed of a rear first upper guide portion 94-1 and a rear second upper guide portion 94-2 positioned with a space d in the +F direction from the rear upper guide portion 94-1. Configured.

11 and 13, the first guided portion 75 and the second guided portion 80 provided on the side surface in the -Y direction with respect to the cap carriage 60 are supported by the front lower guide portion 91 and are supported by the front upper guide portion 91. In the area where the guide portion 93 is arranged, it is guided in the F-axis direction while being sandwiched between the front lower guide portion 91 and the front upper guide portion 93 .
Similarly, the first guided portion 75 and the second guided portion 80 provided on the +Y direction side surface of the cap carriage 60 are supported by the rear lower guide portion 92 as shown in FIGS. In the area where the upper guide portion 94 is arranged, it is guided in the F-axis direction while being sandwiched between the rear lower guide portion 92 and the rear upper guide portion 94 .

As described above, the first guided portion 75 and the second guided portion 80 are arranged on the +Y direction side portion of the cap carriage 60 and the −Y direction side portion of the cap carriage 60 in the Y-axis direction, which is the direction intersecting the moving direction of the cap carriage 60 . provided on the sides and The cap guide means 90 are also provided in the -Y direction and the +Y direction with respect to the cap carriage 60 in the Y-axis direction. With such a configuration, the cap carriage 60 can stably move along the movement path Rt.
In this embodiment, the first guided portion 75 and the second guided portion 80 are provided on the side surface of the cap carriage 60 in the Y-axis direction. may be provided so as to project in the Y-axis direction. That is, the first guided portion 75 and the second guided portion 80 may be provided on both sides of the cap carriage 60 in the Y-axis direction.

11 and 12 show the state where the cap carriage 60 is at the maintenance position (corresponding to FIG. 3). In this state, as shown in FIG. 11, the first contact portion 76 constituting the first guided portion 75 and the third contact portion 81 constituting the second guided portion 80 are connected to the front first lower guide portion 91-. 1 and the front upper guide portion 93 . The fourth contact portion 82 constituting the second guided portion 80 is separated from the front upper guide portion 93 in the +F direction and is supported by the front second lower guide portion 91-2.
Further, as shown in FIG. 12, the second contact portion 77 constituting the first guided portion 75 and the fifth contact portion 83 constituting the second guided portion 80 are divided into a rear lower guide portion 92 and a rear upper guide portion 94. It is sandwiched between
As described above, when the cap carriage 60 is at the maintenance position, the cap carriage 60 cannot rotate when viewed in the Y-axis direction.

After the head unit 100 moves toward the replacement position in the +G direction from this state, when the cap carriage 60 moves in the +F direction, as is clear from FIG. 12, the fifth contact portion 83 deviates from the rear upper guide portion 94 (rear second upper guide portion 94-2) in the +F direction. As a result, the cap carriage 60 can rotate in the direction of arrow a as shown in FIGS. The rotation of the cap carriage 60 in the direction of the arrow a is accompanied by the separation of the second guided portion 80 from the cap guide means 90 .

When the cap carriage 60 is further moved in the +F direction while rotating the cap carriage 60 in the direction of arrow a, as is clear from FIG. 14, the second contact portion 77 is disengaged from the rear upper guide portion 94 (second rear upper guide portion 94-2) in the +F direction. As a result, the cap carriage 60 can be pulled upward.
When the cap carriage 60 is to be attached, it can be attached in the reverse order of the removal described above.

As described above, the cap carriage 60 is positioned in the first guided portion 75 guided by the cap guide means 90 and in the +F direction, which is the direction from the retracted position to the maintenance position, with respect to the first guided portion 75. and a second guided portion 80 guided by the guide means 90 .
When the cap carriage 60 moves from the maintenance position in the +F direction, the cap guide means 90 rotates the cap carriage 60 about the first guided portion 75 as a rotation axis, and the cap guide means 90 of the second guided portion 80 rotates. It is configured to allow rotation with disengagement from. The first guided portion 75 can be separated from the cap guide means 90 by moving in the +F direction after the cap carriage 60 is allowed to rotate.
That is, compared to the configuration in which the first guided portion 75 and the second guided portion 80 are separated from the cap guide means 90 by moving the cap carriage 60 straight in the +F direction, the cap carriage 60 requires less The space can be suppressed, and the enlargement of the device can be suppressed.

Further, when the cap carriage 60 moves from the maintenance position in the +F direction, the second guided portion 80 is released from the restraint by the front upper guide portion 93 and the rear upper guide portion 94 . As a result, the rotation of the cap carriage 60 accompanied by the upward movement of the second guided portion 80 is permitted, so that the cap carriage 60 can be rotated upward, that is, the cap carriage 60 can be removed from above. Therefore, workability when removing the cap carriage 60 is facilitated.

Also, since the first contact portion 76 and the second contact portion 77 are positioned to overlap each other when viewed from the Y-axis direction, the cap carriage 60 is stable when it rotates about the first contact portion 76 and the second contact portion 77 as fulcrums. can be rotated. Moreover, the space required for the rotation of the first contact portion 76 and the second contact portion 77 can be suppressed, and an increase in size can be suppressed.

The third contact portion 81, the fourth contact portion 82, and the fifth contact portion 83, which constitute the second guided portion 80, are positioned so as not to overlap each other when viewed from the Y-axis direction, that is, are positioned along the F-axis direction. are displaced from each other, they are supported by the cap guide means 90 over a wide range along the F-axis direction. As a result, even if the cap carriage 60 receives an external force from the head unit 100, the attitude of the cap carriage 60 can be stably maintained.
Although the second guided portion 80 is composed of three contact portions in this embodiment, it may be composed of two contact portions, or may be composed of four or more contact portions. When the second guided portion 80 is composed of two contact portions, the contact portion on the side surface in the -Y direction and the contact portion on the side surface in the +Y direction may or may not overlap when viewed from the Y axis direction. can be
When the second guided portion 80 is composed of three or more contact portions, one or both of the contact portions on the -Y direction side surface and the +Y direction side surface contact portions may be provided in plurality.

The front lower guide portion 91 includes a first front lower guide portion 91-1 and a second front lower guide portion 91-2 positioned with a space d in the +F direction from the first front lower guide portion 91-1. consists of The rear lower guide portion 92 includes a rear first lower guide portion 92-1 and a rear second lower guide portion 92-2 positioned with a space d in the +F direction from the rear first lower guide portion 92-1. consists of As a result, there is a possibility that the second guided portion 80 may be fitted into the gap d, but the contact portions constituting the second guided portion 80 are arranged in a state of being shifted along the F-axis direction. Therefore, it is possible to prevent the second guided portion 80 from being caught in the gap d.
Since the space d is provided, the space d can be used as a passage area for other components, and in the present embodiment, it can be used as a part of the passage area of the head unit 100, so that the degree of freedom in design is improved. do.

The cap carriage 60 also includes a cap 71 and a body portion 61 that supports the cap 71 and includes a first guided portion 75 and a second guided portion 80 . As shown in FIG. 15, the cap 71 constitutes the second guided portion 80 provided on the side surface in the -Y direction when viewed from the G-axis direction, which is the normal direction to the ink ejection surface 102. As shown in FIG. It overlaps with the line L2 connecting the portion 81 and the fifth contact portion 83 forming the second guided portion 80 provided on the side surface in the +Y direction.
As a result, when the cap 71 receives a pressing force in the -G direction from the ink ejection surface 102, the pressing force can be appropriately received by the plurality of contact portions constituting the second guided portion 80, and the posture of the cap 71 can be adjusted. stabilizes.
In the present embodiment, the cap 71 is an example of the pressed portion that receives the pressing force from the ink ejection surface 102 of the line head 101. The wiper 112, for example, is an example of the pressed portion that receives the pressing force from the ink ejection surface 102. be done. That is, the configuration of the cap carriage 60 can also be applied to the wiper carriage 110 .

15, line L3 is a line connecting the fourth contact portion 82 and the fifth contact portion 83. As shown in FIG. The cap 71 may overlap the line L3 instead of the line L2, or may overlap both the line L2 and the line L3. Also, part or all of the cap 71 may be included in the triangular region formed by the lines L2 and L3.
Further, when the third contact portion 81 is not provided, the line L4 connecting the fifth contact portion 83 and the first contact portion 76 may overlap the cap 71 . Moreover, part or all of the cap 71 may be included in the triangular region formed by the lines L3 and L4.

Further, in the present embodiment, the moving path Rt of the cap carriage 60 includes a vertically upward component from the retracted position to the maintenance position, and the center-of-gravity position G of the cap carriage 60 in the moving direction of the cap carriage 60 is shown in FIGS. As shown in FIG. 12, it is near the +F direction in the cap carriage 60 . Toward the +F direction means to be located in the +F direction from the center position Fc of the cap carriage 60 in the F-axis direction.
With such a configuration, when the cap carriage 60 is taken out from above, the heavy side is lifted first, making it easier to take out the cap carriage 60 than in the case of vice versa.
Incidentally, the movement path Rt of the cap carriage 60 may be along the horizontal direction.

Note that the first positioning portion 68 and the second positioning portion 69, which are the parts of the cap carriage 60 that protrude most in the +G direction, are also located near the +F direction in the cap carriage 60. As shown in FIG. As a result, it is possible to reduce the area in the apparatus required for removing the cap carriage 60 . In addition, the cap carriage 60 can be rotated at an early stage when the cap carriage 60 is taken out, and this also reduces the space required for removing the cap carriage 60, thereby suppressing an increase in the size of the apparatus.

Further, the medium transport paths toward the discharge positions A1 and A2 described with reference to FIG. 1 curve upward downstream of the line head 101 . In FIG. 3, symbol Tr indicates a medium transport path that curves upward, and this medium transport path Tr intersects with the movement path Rt of the cap carriage 60 when the movement path Rt is extended in the +F direction.
In such a configuration, when the cap carriage 60 is taken out, there is a risk of interference between the cap carriage 60 and the medium transport path Tr. Interference with the transport route Tr can be avoided.

Further, as described with reference to FIG. 1, the discharge tray 8 is provided vertically above the head unit 100 as a medium receiving section for receiving a medium discharged after recording. As shown in FIGS. 16 and 17, the discharge tray 8 is detachable from the apparatus main body 2, and in this embodiment, the entire discharge tray 8 is detachable from the apparatus main body 2. FIG. By removing the discharge tray 8 from the apparatus main body 2, the cap carriage 60 is exposed and can be removed.
With such a configuration, an opening for taking out the cap carriage 60 to the outside of the apparatus can be secured, and the cap carriage 60 can be easily taken out and attached.
Although the discharge tray 8 is detachable from the apparatus main body 2 in this embodiment, it may be provided to be openable and closable with respect to the apparatus main body 2 . In this embodiment, the entire discharge tray 8 is detachable from the apparatus main body 2, but a part of the discharge tray 8 may be detachable from the apparatus main body 2. The portion may be configured to be openable and closable with respect to the device main body 2 .

13 and 14, the cap carriage 60 can move and rotate in the direction in which the second guided portion 80 moves away from the conveyor belt 13 in this embodiment. As a result, it is possible to reduce the possibility that the cap carriage 60 will collide with the conveying belt 13 and damage the conveying belt 13 when the cap carriage 60 is taken out.

11 to 14, reference numeral 103 denotes a position adjusting cam as a position regulating member that regulates the ink ejection position of the head unit 100. FIG. When the head unit 100 comes into contact with the position adjustment cam 103, the ink ejection position is defined. The position adjustment cam 103 is an eccentric cam, and can finely adjust the ink ejection position of the head unit 100 by rotating.
Then, the cap carriage 60 rotates while the second guided portion 80 moves away from the position adjusting cam 103 . With such a configuration, it is possible to reduce the possibility that the cap carriage 60 collides with the position adjustment cam 103 and damages the position adjustment cam 103 when the cap carriage 60 is taken out.

The present invention is not limited to the respective embodiments described above, and various modifications are possible within the scope of the invention described in the claims, which are also included in the scope of the present invention. One thing goes without saying.

DESCRIPTION OF SYMBOLS 1... Inkjet printer, 2... Apparatus main body, 3... 1st medium cassette, 4... 2nd medium cassette, 5... 3rd medium cassette, 6... 4th medium cassette, 8... Ejection tray, 10... Ink container, 11 Waste liquid storage unit 13 Conveyor belt 14, 15 Pulley 21, 22, 23, 24 Pick roller 25, 26, 27, 28 Feed roller pair 29, 30, 31, 32, 33, 34, 37, 38, 39 conveying roller pair 41, 42 flap 43A, 43B frame 45 motion unit 45a head guide means 45b second guide portion 45c third guide portion 45d Fourth guide part 46 Frame assembly 47 Front frame 48 Rear frame 48a Opening 50 First connection frame 51 Second connection frame 52 Third connection frame 60 Cap Carriage 61 Main body 63 First side frame 63b Rack 64 Second side frame 64b Rack 66 Pinion 67 Cap drive motor 68 First positioning part 69 Second positioning parts 71, 71a, 71b, 71c, 71d, 71e... Cap 72... Unit frame 75... First guided part 76... First contact part 77... Second contact part 80... Second Guided portion 81 Third contact portion 82 Fourth contact portion 83 Fifth contact portion 90 Cap guide means 91 Front lower guide portion 91-1 First front lower guide portion 91 -2... Front second lower guide part 92... Rear lower guide part 92-1... Rear first lower guide part 92-2... Rear second lower guide part 93... Front upper guide part 94... Rear upper guide part Guide parts 94-1 Rear first upper guide part 94-2 Rear second upper guide part 100 Head unit 101 Line head 102 Ink discharge surface 103 Position adjustment cam 110 Wiper Carriage 112 Wiper 116 Wiper movement motor 117 Head movement motor

Claims (13)

a recording unit that records by ejecting liquid onto a medium;
a maintenance unit movable along a movement path including a maintenance position, which is a position at which maintenance of the recording unit is performed, and a retraction position to retreat from the maintenance position, and which is movable along the movement path;
guide means for guiding the maintenance section along the movement path;
The maintenance department
a first guided portion guided by the guide means;
a second guided portion located in a first moving direction, which is a direction from the retracted position to the maintenance position with respect to the first guided portion, and guided by the guide means;
The guide means rotates the maintenance section around the first guided section as a rotation axis when the maintenance section moves from the maintenance position in the first movement direction, and the guide means rotates the maintenance section about the first guided section as a rotation axis. Allowing rotation accompanied by detachment from the guide means,
The first guided portion can be separated from the guide means by moving in the first movement direction after the maintenance portion is permitted to rotate.
A recording device characterized by: 2. A recording apparatus according to claim 1, wherein said guide means includes a lower guide portion that supports said first guided portion and said second guided portion at least between said retracted position and said maintenance position on said moving path. and,
an upper guide portion positioned above the lower guide portion,
When the maintenance section moves from the maintenance position in the first movement direction, the second guided section is released from restraint by the upper guide section, and the maintenance involves upward movement of the second guided section. said rotation of the part is allowed;
A recording device characterized by: 3. The recording apparatus according to claim 2, wherein the first guided portion is a side portion of the maintenance portion in a direction intersecting the moving direction of the maintenance portion and is in one direction of the intersecting direction. provided on the side of the direction and the side of the maintenance section in the second direction, which is the other direction of the cross direction,
The second guided portion is provided on a side portion in the first direction and a side portion in the second direction in the cross direction,
The guide means is provided in the first direction and the second direction with respect to the maintenance section in the cross direction.
A recording device characterized by: 4. The recording apparatus according to claim 3, wherein the first guided portion provided on the side portion in the first direction includes a first contact portion contacting the guide means,
The first guided portion provided on the side portion in the second direction includes a second contact portion that contacts the guide means,
When viewed from the cross direction, the first contact portion and the second contact portion are positioned to overlap,
A recording device characterized by: 5. The recording apparatus according to claim 3, wherein the second guided portion provided on the side portion in the first direction and the second guided portion provided on the side portion in the second direction. has at least one contact portion that contacts the guide means,
At least one of the second guided portion provided on the side portion in the first direction and the second guided portion provided on the side portion in the second direction includes a plurality of the contact portions,
The contact portion constituting the second guided portion provided on the side portion in the first direction, and the contact portion constituting the second guided portion provided on the side portion in the second direction, do not overlap when viewed from the cross direction;
A recording device characterized by: 6. A recording apparatus according to claim 5, wherein said lower guide portion comprises a first lower guide portion and a second lower guide portion spaced from said first lower guide portion in said first moving direction. configured,
With the maintenance section at the maintenance position, the first guided section is supported by the first lower guide section, and a part of the second guided section is supported by the second lower guide section. Ru
A recording device characterized by: 7. The recording apparatus according to claim 5, wherein the maintenance section includes a pressed section that receives a pressing force from a liquid ejection surface from which the recording section ejects liquid;
a body portion that supports the pressed portion and includes the first guided portion and the second guided portion;
The pressed portion includes one contact portion constituting the second guided portion provided on the side portion in the first direction and a side portion in the second direction when viewed from the direction normal to the liquid ejection surface. overlaps with a line connecting one contact portion that constitutes the second guided portion provided in the portion;
A recording device characterized by: 8. The recording apparatus according to claim 7, wherein the pressed portion is a cap portion that caps the liquid ejection surface.
A recording device characterized by: 9. The recording apparatus according to any one of claims 2 to 8, wherein the center of gravity of the maintenance unit in the moving direction of the maintenance unit is closer to the first moving direction of the maintenance unit.
A recording device characterized by: 10. The recording apparatus according to any one of claims 2 to 9, wherein a medium transport path for transporting the medium is curved downstream of the recording unit to extend the movement path in the first movement direction. intersect with the route of movement when
A recording device characterized by: 11. The recording apparatus according to any one of claims 2 to 10, further comprising a medium receiving section vertically above the recording section for receiving a medium ejected after recording,
part or all of the medium receiving unit is configured to be detachable or openable,
By removing or opening part or all of the medium receiving section, the maintenance section can be taken out of the device.
A recording device characterized by: 12. The recording apparatus according to any one of claims 2 to 11, further comprising a transport belt for transporting the medium at a position facing the recording unit,
The maintenance section rotates while moving in a direction in which the second guided section moves away from the conveying belt.
A recording device characterized by: 12. The recording apparatus according to any one of claims 2 to 11, wherein the recording unit includes a recording position when recording on the medium, and a distance separating the recording position from the recording position so as to widen the distance from the medium. is movable between positions and
the recording position of the recording unit is regulated by contacting the recording unit with a position regulating member;
The maintenance section rotates while the second guided section moves away from the position regulating member.
A recording device characterized by:

Images